51470431940000 has 120 divisors (see below), whose sum is σ = 128047740184980. Its totient is φ = 20356844288000.

The previous prime is 51470431939991. The next prime is 51470431940101. The reversal of 51470431940000 is 4913407415.

It can be written as a sum of positive squares in 10 ways, for example, as 241312807696 + 51229119132304 = 491236^2 + 7157452^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12677987 + ... + 16237986.

Almost surely, 2^{51470431940000} is an apocalyptic number.

51470431940000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51470431940000 is an abundant number, since it is smaller than the sum of its proper divisors (76577308244980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51470431940000 is an equidigital number, since it uses as much as digits as its factorization.

51470431940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28916092 (or 28916069 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 51470431940000 in words is "fifty-one trillion, four hundred seventy billion, four hundred thirty-one million, nine hundred forty thousand".